Удаление PictureBox из FlowLayoutPanel внутри TabPage

FlowLayoutPanel flowLayoutPanel1; // готовим FlowLayoutPanel
flowLayoutPanel1 = new FlowLayoutPanel();
flowLayoutPanel1.Dock = DockStyle.Fill;
flowLayoutPanel1.AutoScroll = true;
TabPage tp = new TabPage(name); // создаём TabPage
DialogResult dr = this.openFileDialog2.ShowDialog();
            if (dr == System.Windows.Forms.DialogResult.OK)
            {
                foreach (String file in openFileDialog2.FileNames)
                {
                        Image loadedImage = Image.FromFile(file);
                        PictureBox pb = new PictureBox();
                        pb.Height = loadedImage.Height;
                        pb.Width = loadedImage.Width;
                        pb.Image = loadedImage;
                        pb.MouseClick += new System.Windows.Forms.MouseEventHandler(this.pb_MouseClick);
                        flowLayoutPanel1.Controls.Add(pb);
                }
                tp.Controls.Add(flowLayoutPanel1);
                tabControl1.TabPages.Add(tp);
            }

pb.MouseClick += new System.Windows.Forms.MouseEventHandler(this.pb_MouseClick);